Why Drupal Elysia Cron Module can&#039;t be installed

I uploaded elysia cron module to my drupal site and activated the module but the install scripts seams not ended correctly. I tried unistall and install many times but I can get this working.
Where can I see the php and mysql logs to understand what is going on?

Php, by default, has no central log on a web server, but is enabled via the program itself. You can, however turn on the error messages in Drupal. This may help you troubleshoot and identify the error.